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Kuznetsovsk tunnel shortens the BAM corridor

02 Feb 2013

RUSSIA: The Kuznetsovsk Tunnel on the Komsomolsk-na-Amur – Sovetskaya Gavan section of the Baikal-Amur Magistrale was opened on December 25. Priced at 60bn roubles, it is one of the biggest infrastructure projects undertaken by RZD in recent years.

The 3890 m single-track tunnel was designed by Bamtonnelproject and built by Bamtonnelstroy using a Lovat TBM. It replaces a 413 m tunnel dating from 1943-45 which has steep and sharply curved approach ramps limiting trains to 4000 tonnes, even with triple-section locomotives hauling and banking.

The new route is 11 km shorter than the original alignment, which is to be retained for use by empty freight trains.